125461605 has 8 divisors (see below), whose sum is σ = 200738592. Its totient is φ = 66912848.

The previous prime is 125461601. The next prime is 125461657. The reversal of 125461605 is 506164521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125461605 - 2² = 125461601 is a prime.

It is a super-2 number, since 2×125461605² = 31481228658352050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125461601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4182039 + ... + 4182068.

It is an arithmetic number, because the mean of its divisors is an integer number (25092324).

Almost surely, 2^125461605 is an apocalyptic number.

125461605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125461605 is a deficient number, since it is larger than the sum of its proper divisors (75276987).

125461605 is an equidigital number, since it uses as much as digits as its factorization.

125461605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8364115.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 125461605 is about 11200.9644674019. The cubic root of 125461605 is about 500.6147172690.

The spelling of 125461605 in words is "one hundred twenty-five million, four hundred sixty-one thousand, six hundred five".